凹凸: concave or convex, bumps and holes, uneven (surface), rugged...
免费: free (of charge)...
来到: to come, to arrive...
日复一日: day after day...
主意: plan, idea, decision...
台灯: desk lamp, table lamp...
纬度: latitude...
明显: clear, distinct, obvious...
温柔: gentle and soft, tender...
止步: to halt, to stop, to go no farther...